<?php
namespace common\modules\rbac\backend\controllers;

use Yii;
use yii\web\Controller;
use yii\filters\VerbFilter;
use yii\web\NotFoundHttpException;
use common\modules\rbac\backend\components\MenuHelper;
use common\modules\rbac\backend\models\BizRule;
use common\modules\rbac\backend\models\searchs\BizRuleSearch;

/**
 * Description of RuleController
 *
 * @author Xuegui Yuan <yuanxuegui@163.com>
 */
class RuleController extends Controller
{

    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => [
                        'post'
                    ]
                ]
            ]
        ];
    }

    /**
     * Lists all AuthItem models.
     * 
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new BizRuleSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->getQueryParams());
        
        return $this->render('index', [
            'dataProvider' => $dataProvider,
            'searchModel' => $searchModel
        ]);
    }

    /**
     * Displays a single AuthItem model.
     * 
     * @param string $id            
     * @return mixed
     */
    public function actionView($id)
    {
        $model = $this->findModel($id);
        
        return $this->render('view', [
            'model' => $model
        ]);
    }

    /**
     * Creates a new AuthItem model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * 
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new BizRule(null);
        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            MenuHelper::invalidate();
            
            return $this->redirect([
                'view',
                'id' => $model->name
            ]);
        } else {
            return $this->render('create', [
                'model' => $model
            ]);
        }
    }

    /**
     * Updates an existing AuthItem model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * 
     * @param string $id            
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);
        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            MenuHelper::invalidate();
            
            return $this->redirect([
                'view',
                'id' => $model->name
            ]);
        }
        
        return $this->render('update', [
            'model' => $model
        ]);
    }

    /**
     * Deletes an existing AuthItem model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * 
     * @param string $id            
     * @return mixed
     */
    public function actionDelete($id)
    {
        $model = $this->findModel($id);
        Yii::$app->authManager->remove($model->item);
        MenuHelper::invalidate();
        
        return $this->redirect([
            'index'
        ]);
    }

    /**
     * Finds the AuthItem model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * 
     * @param string $id            
     * @return AuthItem the loaded model
     * @throws HttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        $item = Yii::$app->authManager->getRule($id);
        if ($item) {
            return new BizRule($item);
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
}
